Tue, 04/25/2017 - 09:40 -- Iris Data from the London Metal Exchange, a global industrial metals trading website, showed cobalt, a main material used in lithium-ion batteries, has doubled in price since January 2016 (see the graph), the fact might put pressure on electric vehicle makers.
The international price of cobalt rose to $55,000 per tonne in early April this year, which is twice as much as the price recorded in the beginning of last year, around $24,000 per tonne.
